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Onion cells. Phase contrast. 59:1
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Potassium iodide crystal. Phase contrast. 59:1
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Potassium iodide crystal. Phase contrast. 15:1
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Amyloplasts, potato starch grains. Phase contrast & Polarization. 56:1
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Potassium iodide crystal. Phase contrast. 53:1
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Ovary of lilium. Fragment. Phase Contrast. 84:1
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Dandelion pollen. Phase contrast. 53:1
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Stomata of the epidermis of a dill stem. Phase contrast.
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Calcium oxalate crystals in garlic peel. Phase contrast. 123:1
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Potassium iodide crystal. Phase contrast
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Moss under a microscope. Phase Contrast 72:1
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Tardigrada. Phase Contrast 72:1
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Diatom algae. Phase contrast, monochrome.
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Diatoms under a microscope. Positive phase contrast. 123:1
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Living diatoms. Collage. Positive phase contrast